/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.solr.search;

import org.apache.solr.common.params.SolrParams;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.util.plugin.NamedListInitializedPlugin;

public abstract class QParserPlugin implements NamedListInitializedPlugin {
	/** internal use - name of the default parser */
	public static String DEFAULT_QTYPE = LuceneQParserPlugin.NAME;

	/** internal use - name to class mappings of builtin parsers */
	public static final Object[] standardPlugins = { LuceneQParserPlugin.NAME,
			LuceneQParserPlugin.class, OldLuceneQParserPlugin.NAME,
			OldLuceneQParserPlugin.class, FunctionQParserPlugin.NAME,
			FunctionQParserPlugin.class, PrefixQParserPlugin.NAME,
			PrefixQParserPlugin.class, BoostQParserPlugin.NAME,
			BoostQParserPlugin.class, DisMaxQParserPlugin.NAME,
			DisMaxQParserPlugin.class, ExtendedDismaxQParserPlugin.NAME,
			ExtendedDismaxQParserPlugin.class, FieldQParserPlugin.NAME,
			FieldQParserPlugin.class, RawQParserPlugin.NAME,
			RawQParserPlugin.class, TermQParserPlugin.NAME,
			TermQParserPlugin.class, NestedQParserPlugin.NAME,
			NestedQParserPlugin.class, FunctionRangeQParserPlugin.NAME,
			FunctionRangeQParserPlugin.class, SpatialFilterQParserPlugin.NAME,
			SpatialFilterQParserPlugin.class, SpatialBoxQParserPlugin.NAME,
			SpatialBoxQParserPlugin.class, };

	/** return a {@link QParser} */
	public abstract QParser createParser(String qstr, SolrParams localParams,
			SolrParams params, SolrQueryRequest req);
}
